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Finding the Fourth Proportional to 471,751.89, 651,000.42 and 256,887.24

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Solution

The fourth proportional to 471,751.89, 651,000.42 and 256,887.24 is: 354,495.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,751.89 : 651,000.42 = 256,887.24 : x
  2. Step 2: Convert to fraction form
    471,751.89/651,000.42 = 256,887.24/x
  3. Step 3: Cross multiply
    471,751.89x = 651,000.42 × 256,887.24
  4. Step 4: Simplify right side
    471,751.89x = 167,233,701,132.64
  5. Step 5: Solve for x
    x = 167,233,701,132.64/471,751.89
  6. Step 6: Final answer
    x = 354,495.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.